On Wed, 29 Nov 2023 23:42:11 +0800 kernel test robot <lkp@xxxxxxxxx> wrote: > >> mm/zswap.c:825:17: error: dereferencing pointer to incomplete type 'struct mem_cgroup' > css_get(&memcg->css); > ^~ OK, thanks, patchset needs work for CONFIG_MEMCG=n. I'll drop this version.